yves.gugger
fb080375a0
feat: add email notifications and price change alerts
New features:
- Email service for domain availability alerts
- Price tracker for detecting significant price changes (>5%)
- Automated email notifications for:
- Domain becomes available
- TLD price changes
- Weekly digest summaries
- New scheduler job for price change alerts (04:00 UTC)
Updated documentation:
- README: email notifications section, new services
- DEPLOYMENT: email setup, troubleshooting, scheduler jobs
New files:
- backend/app/services/email_service.py
- backend/app/services/price_tracker.py